<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    span{
      display: inline-block;
      width: 77px;
      padding: 1px;
      border-radius: 5px;
      border: 1px solid skyblue;
      margin-top: 2px;
      margin-right: 2px;
      text-align: center;
    }
  </style>
</head>
<body>
  <script>
    for (let i =1; i <= 9; i++) {
      for (let j =1; j <= i; j++){
        document.write(`<span>${j}x${i}=${j*i}</span>`)
      }
      document.write('<br>')
    }
  </script>
</body>
</html>